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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Lyons Alert Threshold Days by Year

5 fixed thresholds counted per year at Lyons Alert (ASN00040793): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lyons Alert Thresholds

  • Lyons Alert: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 2024 with 36.
  • Lyons Alert: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 2024 with 12.
  • Lyons Alert: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 2024 with 6.
  • Lyons Alert: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 2009 with 1.
  • 5 fixed thresholds have at least one qualifying day at Lyons Alert.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lyons Alert Days per year at Lyons Alert with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 2024. 0102030402001: 252002: 142003: 212004: 212007: 192008: 242009: 242010: 192012: 232013: 282014: 142019: 112020: 192023: 212024: 362025: 3420012003200720092012201420202024
Days per year at Lyons Alert with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 2024.
Days with 10 mm (0.39 in) or more of precipitation per year at Lyons Alert
YearDaysDecade average
20012521.1
20021421.1
20032121.1
20042121.1
20071921.1
20082421.1
20092421.1
20101919
20122319
20132819
20141419
20191119
20201927.5
20232127.5
20243627.5
20253427.5
First to last qualifying date each year at Lyons Alert For each year, a bar from the first to the last day at Lyons Alert meeting 10 mm (0.39 in). 2001: 18 January 2001 to 31 December 20012002: 17 January 2002 to 26 December 20022003: 4 February 2003 to 15 December 20032004: 11 January 2004 to 26 December 20042007: 4 January 2007 to 18 December 20072008: 2 January 2008 to 30 December 20082009: 23 January 2009 to 30 December 20092010: 4 January 2010 to 5 October 20102012: 17 January 2012 to 22 December 20122013: 26 January 2013 to 30 December 20132014: 24 January 2014 to 28 December 20142019: 6 February 2019 to 25 December 20192020: 18 January 2020 to 21 December 20202023: 25 January 2023 to 26 December 20232024: 1 January 2024 to 29 December 20242025: 9 January 2025 to 25 December 202520012003200720092012201420202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lyons Alert meeting 10 mm (0.39 in).
First to last qualifying date each year at Lyons Alert
YearFirst dateLast date
20012001-01-182001-12-31
20022002-01-172002-12-26
20032003-02-042003-12-15
20042004-01-112004-12-26
20072007-01-042007-12-18
20082008-01-022008-12-30
20092009-01-232009-12-30
20102010-01-042010-10-05
20122012-01-172012-12-22
20132013-01-262013-12-30
20142014-01-242014-12-28
20192019-02-062019-12-25
20202020-01-182020-12-21
20232023-01-252023-12-26
20242024-01-012024-12-29
20252025-01-092025-12-25

Every Fixed Threshold

Fixed thresholds at Lyons Alert
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1636202434
25 mm (0.98 in): Days with 25 mm or more rain1612202411
50 mm (1.97 in): Days with 50 mm or more rain13620245
100 mm (3.94 in): Days with 100 mm or more rain6120091
200 mm (7.87 in): Days with 200 mm or more rain2120131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Lyons Alert threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).